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The final day of the Rio Games features medal action in basketball, volleyball, the marathon, boxing, wrestling and more, as well as the closing ceremonies. Here are some things to watch. (all times local):

United States' DeAndre Jordan (6), Kevin Durant (5) and Serbia's Stefan Bircevic reach for a rebound during their Aug. 12 game. The U.S. plays Serbia again Sunday _ this time for the gold. (AP Photo/Eric Gay)

BASKETBALL

No gold, no glory. That's the way it is for the U.S. men's basketball team. The Americans, the standard in the sport since winning their first 63 games after basketball debuted 80 years ago in the Olympics, are either winners or failures. But these Olympics have been way too tough to believe they will end easily against tough Serbia at 3:45 p.m. Sunday.

This U.S. team, less talented and experienced then the last two gold medalists, has already had four games decided by 10 points or less. And Serbia was one of those: The U.S. won 94-91 in pool play.

Mighty Italy looks tough to beat, but host Brazil has no plans of going down lightly at 1:15 p.m. as it plays for gold after their two-time defending champion women could not repeat. Fabiana and her team fell to China in a five-set quarterfinal match.

Brazil avenged a loss to Russia in the 2012 London Games gold-medal match with a straight-set victory Friday night. The Brazilians are in their fourth straight final and chasing their first Olympic championship since 2004 in Athens.

Ghirmay Ghebreslassie began running as a means to get to and from school. Now, the world champion is trying to earn the second Olympic medal in Eritrea's history. It won't be easy with a field that includes defending champion Stephen Kiprotich of Uganda. Keep an eye out for American runner Galen Rupp, who won at the Olympic trials in his first competitive marathon.

The runners begin their trek at 9:30 a.m.

Ghebreslassie after winning the marathon at the World Athletic Championships in 2015. (AP Photo/David J. Phillip)

BOXING

American middleweight Claressa Shields goes for her second straight boxing gold medal at 2 p.m. The dominant woman in her division, the 21-year-old hasn't lost a fight since the London Games, winning two world championships and a Pan-Am Games title.

She takes on the Netherlands' Nouchka Fontijn in the first of four gold medal fights.

The main event could produce the other half of an Olympic golden couple. French fighter Tony Yoka faces Britain's Joe Joyce in the super heavyweight final at 3:15 p.m. Yoka's fiancee, Estelle Mossely, won gold Friday on her 24th birthday. Yoka cheered her on from the stands.

The U.S. men's freestyle wrestling team is just about out of chances to win gold but it has a shot with Kyle Snyder, who will attempt to become America's youngest wrestling gold medalist. He faces Cuba’s Javier Cortina Lacerra.

Snyder, who just finished his sophomore season at Ohio State, stunned the wrestling community in September by rolling to a world title at 97 kilograms. He followed it up by winning the NCAA title at heavyweight, then dropped three international bouts in the run-up to Rio before going undefeated at a World Cup in June.

Snyder tries to take down Jake Varner during their final match at the U.S. Olympic Wrestling Team Trials in April. (AP Photo/Charlie Neibergall)

HANDBALL

France is trying to win a third straight Olympic gold when the team faces Denmark at 2 p.m. The Danes, who have never won an Olympic medal in men's handball, beat Poland 29-28.

Defending champion Jaroslav Kulhavy of the Czech Republic, world champion Nino Schurter of Switzerland and former world champ Julien Absalon of France are favorites in the men's mountain bike race at 12:30 p.m. But the rider everyone will be watching is road race world champion Peter Sagan, who is fresh off the Tour de France. The popular Slovakian star chose to compete off road in Rio after deciding the road race course did not suit his style or abilities.

Sagan wears the best sprinter's green jersey as he wins the 16th stage of the Tour de France in July. (AP Photo/Christophe Ena)

CLOSING CEREMONIES

The Rio Games officially end with a closing ceremony that starts at 8 p.m. and is expected to feature mass choreography and a Carnivale parade, with samba legend Martinho da Vila and singers Roberta Sa and Lenine in attendance. There will be a passing of the torch to Japan for the Tokyo Games in 2020. IOC President Thomas Bach is to reflect on the games, athletes will parade _ with gymnast Simone Biles carrying the U.S. flag _ and there's sure to be plenty of fireworks.

Like the opening ceremony, there will be massive images projected around the stadium.

Fireworks explode over Maracana Stadium during the opening ceremony at the 2016 Summer Olympics on Aug. 5. (AP Photo/Felipe Dana)

WASHINGTON (AP) — Relatives of Jesse Owens and America's 17 other black athletes from the 1936 Olympics were welcomed to the White House on Thursday by President Barack Obama for the acknowledgement they didn't receive along with their white counterparts 80 years ago.

Along with the relatives of the 1936 African-American Olympians, gloved-fist protesters Tommie Smith and John Carlos and members of the 2016 U.S. Olympic and Paralympic teams met the president and first lady Michelle Obama. Obama congratulated the Rio athletes, thanked Smith and Carlos for waking up Americans in 1968 and praised 1936 Olympians who made a statement in front of Adolf Hitler in Nazi Germany.

TOKYO (AP) — An expert panel set up by Tokyo's newly elected governor says the price tag of the 2020 Tokyo Olympics could exceed $30 billion unless drastic cost-cutting measures are taken. That's more than a four-fold increase from the initial estimate at the time Tokyo was awarded the games in 2013.